CN102923024B - Automobile fully autonomous seating system and method of implementation thereof - Google Patents
Automobile fully autonomous seating system and method of implementation thereof Download PDFInfo
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- CN102923024B CN102923024B CN201110225615.0A CN201110225615A CN102923024B CN 102923024 B CN102923024 B CN 102923024B CN 201110225615 A CN201110225615 A CN 201110225615A CN 102923024 B CN102923024 B CN 102923024B
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000010586 diagram Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 239000003814 drug Substances 0.000 description 3
- 201000003152 motion sickness Diseases 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 230000035807 sensation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
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Abstract
The present invention relates to a vehicle all-autonomous seat system and a method for implementing the same, which are intended to reduce discomfort of an occupant in a vehicle due to centrifugal force caused by turning of the vehicle. The vehicle all-automatic seat system comprises a lane prediction unit, a control unit and a seat adjusting unit. The lane prediction unit is used for acquiring lane information in front of the vehicle. The control unit is used for calculating the centrifugal force applied to a passenger on a certain seat of the vehicle after a preset time according to the lane information and the seat inclination angle required by the seat for reducing or offsetting the centrifugal force. The seat adjusting unit is used for adjusting the seat to incline to the seat inclination angle after the preset time, so that the passenger is reduced or not influenced by centrifugal force.
Description
Technical field
The present invention relates to a kind of seat system, specifically the full autonomous seat system of a kind of vehicle and manner of execution thereof.
Background technology
Vehicular drive is causing passenger's crank because of the centnifugal force that produces of the many factors such as deceleration, turning, acceleration often through bend, and passenger is got rid of forward, outwards get rid of and/or get rid of backward, cause its body-sway motion and cause sensation different from vision, and causing carsick phenomenon.
The mode of current tradition prevention passengers becoming sea sich includes outside looking glass, opens a window, eats carsick medicine, sleep in advance, has fantasies of before ride-on vehicles oneself is driver etc. way.In aforesaid way, eating carsick medicine is in advance generally comparatively actv. prevention method, but it must first get out carsick medicine, therefore comparatively bother, and additive method effect is not remarkable.
Even to this day, the mankind lack actv. prevention and the method for restrainting for carsickness, and the misery that carsickness causes makes many people fear to drive over a long distance or long-distancely to travel by bus, still lacks the method effectively preventing and restrain carsickness at present.
Therefore, we need a kind of actv. to prevent carsick method.
Summary of the invention
First object of the present invention is, provide the full autonomous seat system of a kind of vehicle its can change seat angle of inclination and make passenger's centre-of gravity shift, and then reduce or offset the centnifugal force of Ackermann steer angle completely.
For achieving the above object, the invention provides the full autonomous seat system of a kind of vehicle, including a track predicting unit, a control unit and a seat adjustment unit.Described track predicting unit system is in order to obtain the lane information of this vehicle front.Described control unit is electrically connected to described track predicting unit, to calculate after a predetermined time according to described lane information, the centnifugal force that passenger in this vehicle on a certain seat bears, and calculate reduction or offset the seat angle of inclination needed for centnifugal force that this passenger bears after the described schedule time completely.Described seat adjustment unit is electrically connected to described control unit, in order to adjust seat, makes it after the described schedule time, tilts to described seat angle of inclination.
Second object of the present invention is, the manner of execution of the full autonomous seat system of above-mentioned vehicle is provided, described vehicle full autonomous seat system comprises: the control unit and that a track predicting unit, is electrically connected to described track predicting unit is electrically connected to the seat adjustment unit of described control unit, and described manner of execution comprises:
Described track predicting unit can obtain the lane information of vehicle front;
Described control unit calculates after a predetermined time according to described lane information, the centnifugal force that passenger on a certain seat of this vehicle bears, and calculate reduction or offset the seat angle of inclination needed for centnifugal force that this passenger bears after the described schedule time completely; And
Described seat adjustment unit, for adjusting described seat, makes it after the described schedule time, tilts to described seat angle of inclination.
The full autonomous seat system of vehicle of the present invention and manner of execution thereof, by the passenger predicted on seat after a predetermined time the centnifugal force that will bear, and calculate the seat angle of inclination being used for overcoming needed for described centnifugal force after this schedule time, lower to make passenger or even can not experience centnifugal force, and then carsick situation can not be produced.
Accompanying drawing explanation
The present invention is described in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is the schematic diagram of the full autonomous seat system of vehicle of first embodiment of the invention;
Fig. 2 is the diagram of circuit of the manner of execution according to the full autonomous seat system of vehicle of the present invention;
Wherein:
10 track predicting unit
12 control units
14 seat adjustment units
20 vehicles
22 seats
30 lane boundary
40 passengers
S200-S220 step.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
Refer to Fig. 1, Fig. 1 is the schematic diagram of the full autonomous seat system of vehicle of first embodiment of the invention.The full autonomous seat system of described vehicle comprises track predicting unit 10, control unit 12 and a seat adjustment unit 14.Described track predicting unit 10 is the lane informations obtaining vehicle 20 front.Described control unit 12 is electrically connected to described track predicting unit 10, in order to calculate after a predetermined time according to described lane information (after such as 1 second), the centnifugal force that on the seat 22 of described vehicle 20, passenger 40 bears, and calculate reduction or offset the seat angle of inclination needed for centnifugal force that after 1 second, described passenger 40 bears completely.Described seat adjustment unit 14 is electrically connected to described control unit 12, in order to after 1 second, described seat 22 adjustment is tilted to described seat angle of inclination, and reduces or offset centnifugal force completely.It should be noted that this seat 22 is the passenger seat of operator's saddle right in the present embodiment, in other embodiments, described seat 22 can be any seat in vehicle 20.
The lane information that described track predicting unit 10 obtains includes the lane boundary 30 in described vehicle 20 front, in order to as described control unit 12 calculate the track rate of curving time foundation.In one embodiment, described track predicting unit 10 comprises at least one video camera (not shown), it can be arranged on described vehicle 20 can shoot with video-corder position, road ahead border 30, such as be arranged at the top of car plate, described at least one video camera can shoot with video-corder the image in described vehicle 20 front in real time, by the image of shooting with video-corder to judge the lane boundary 30 in vehicle 20 front and to be sent to described control unit 12.In another embodiment, described track predicting unit 10 comprises a global positioning system (Global Positioning System, GPS, not shown), and the map provided by global positioning system (non-icon), calculate described vehicle 20 pass through track lane boundary 30 and be sent to this control unit 12.
Be noted that a quality be the object of m to wait tangential speed V to turn on the road of radius of curvature for R time, suffered centnifugal force F equals mV
2/ R.Therefore vehicle 20 speed V faster or road more curved (namely R is less) time, the centnifugal force suffered by passenger 40 is larger.
Described control unit 12 receive that described track predicting unit 10 provides comprise the lane information of lane boundary 30 after, just the track rate of curving after 1 second can be calculated according to described lane information, again according to the calculated track rate of curving and the current speed of a motor vehicle, calculate the size and Orientation of passenger 40 prediction centnifugal force after 1 second on described seat 22, the centnifugal force that wherein on this seat 22, passenger 40 is born after 1 second, be directly proportional to the track rate of curving after 1 second and this current speed of a motor vehicle, that is, when the track rate of curving is larger, centnifugal force is larger, when this current speed of a motor vehicle is larger simultaneously, centnifugal force is also larger.On seat 22, passenger 40 is while experiencing centnifugal force, described seat 22 moderately tilts to and makes inside the centre-of gravity shift of passenger 40 to the upper vertical line of seat 22 bottom center by described seat adjustment unit 14, and the center of gravity of this skew will make passenger 40 center of gravity above the waist produce centripetal force and lower or offset completely and to turn the centnifugal force caused at vehicle 20.
The different upper body height of passenger 40 can produce different area of contact from seat 22 chair back, and the differentiated friction power size thus produced, and then make the centnifugal force suffered by passenger 40 on described seat 22 produce slight variations, cause the difference slightly on required seat angle of inclination simultaneously.Described seat angle of inclination is directly proportional to the upper body height of the passenger 40 on described centnifugal force and described seat 22, when the upper body height of the passenger 40 namely on described seat 22 is higher, the percentum of its relative area contacted with the chair back will reduce, and the friction of the chair back and health also reduces relative to the percentum of passenger's upper part of the body weight, the centnifugal force that now passenger 40 bears above the waist will be comparatively large, and the seat angle of inclination of offsetting needed for centnifugal force is also larger.For simplifying the complexity of system and reducing the program needing initiatively detecting or artificial input upper body height, can suppose that passenger 40 is all adult, and its upper body height is a fixed value, to simplify the calculation procedure at centnifugal force and seat angle of inclination.Described control unit 12 is after calculating required seat angle of inclination, the information at described seat angle of inclination can be sent to described seat adjustment unit 14, according to this described seat 22 was adjusted afterwards in 1 second to make described seat adjustment unit 14 and tilt to described seat angle of inclination, to be used in 1 second the centnifugal force lowering or offset completely the passenger 40 on the seat 22 of this vehicle 20 afterwards and bear, and make the upper part of the body of the passenger 40 on described seat 22, reduce when turning or even can not experience health that centnifugal force causes by the sensation of whipping, thus can reduce or eliminate and cause carsick key factor.
In the above-described embodiments, described control unit 12 is according to the track rate of curving after 1 second and the speed of a motor vehicle at present, calculate passenger 40 on this seat 22 after 1 second the centnifugal force that will bear.But known through statistics, most of driver can first be slowed down when running into turning, if therefore consider the impact of slowing down in 1 second, can calculate the centnifugal force after 1 second more accurately.
For considering the impact of slowing down, in another embodiment, described control unit 12 is according to the track rate of curving after calculated 1 second and the prediction speed of a motor vehicle after 1 second, calculates the centnifugal force that on this seat 22, passenger 40 bore after 1 second.The centnifugal force that on described seat 22, passenger 40 bore after 1 second is directly proportional to this track rate of curving after 1 second and the prediction speed of a motor vehicle after 1 second.
In another embodiment, it can further according to information of braking in real time, calculate the speed of a motor vehicle after 1 second, and and then calculate the centnifugal force that the passenger 40 on described seat 22 bore after 1 second, the centnifugal force that passenger 40 now on described seat 22 bore after 1 second, be to the track rate of curving after 1 second and the prediction speed of a motor vehicle after braking in real time 1 second of informix gained according to the current speed of a motor vehicle and this all relevant.On state Brake car information and refer to the amplitude and speed of stepping on lower Brake car pedal, it can be used to the change estimating the speed of a motor vehicle, and can in order to revise the prediction speed of a motor vehicle.
When the prediction speed of a motor vehicle after above-mentioned 1 second refers to that driver runs into turning, speed per hour after described vehicle 20 is slowed down, it can by adding up the degree of the most deceleration learnt as foundation, for example, suppose that the current speed of a motor vehicle is 60 kilometers per hour, in the track 30 in described 20 meters, vehicle 20 front by when having a turning of certain radius of curvature value, can learn that the speed of a motor vehicle can be lowered 10 kilometers per hour by most of driver after 1 second by statistics, the prediction speed of a motor vehicle therefore after 1 second is 50 kilometers per hour.In addition, real-time brake information can be provided by the brake (not shown) of described vehicle 20, and it just can react the Zhen Shi Brake car situation of this vehicle 20 by this, and makes it more accurately can calculate the prediction speed of a motor vehicle after 1 second.
Then described control unit 12 is again according to the upper body height of the centnifugal force that calculates and passenger 40, calculate the seat angle of inclination of to offset afterwards in 1 second needed for centnifugal force, described seat angle of inclination is directly proportional to the upper body height of the passenger 40 on described centnifugal force and described seat 22.Last described control unit 12 can by the information at described seat angle of inclination, be sent to this seat adjustment unit 14 described, be able to described seat 22 to adjust afterwards in 1 second to make described seat adjustment unit 14 tilt to described seat angle of inclination, offset the centnifugal force of passenger 40 after 1 second on described seat 22 by this.In practical operation, in order to control convenience and the simplicity of seat adjustment unit 14, also can select reduce but not exclusively offset centnifugal force, described control unit 12 is by the information at the described seat angle of inclination of appropriateness correction, be sent to described seat adjustment unit 14, be able to make described seat adjustment unit 14 described seat 22 be adjusted afterwards the seat angle of inclination tilting to described appropriateness and revise in 1 second, reduce the centnifugal force of passenger 40 after 1 second on described seat 22 by this.
Be noted that, the described schedule time is not defined as 1 second, it can adjust according to actual needs, such as carry out the time needed for the rate of curving calculating of track with reference to track predicting unit 10, and seat adjustment unit 14 controls seat 22 to time of subscribing needed for angle of inclination etc. because usually adjusting.
Refer to Fig. 2, Fig. 2 is the diagram of circuit of the manner of execution according to the full autonomous seat system of vehicle of the present invention, described full autonomous seat system comprises the seat adjustment unit that control unit and that a track predicting unit, is electrically connected to described track predicting unit is electrically connected to described control unit, and described manner of execution comprises the following steps.
In step s 200, described track predicting unit can obtain the lane information of described vehicle front, and wherein said lane information comprises lane information or the border of described vehicle front, in order to as described control unit for calculating the foundation of the track rate of curving.
In step S210, described control unit is according to described lane information, calculate the centnifugal force that the passenger on a certain seat of described vehicle after a predetermined time bears, and calculate the centnifugal force reducing or offset completely this passenger after the described schedule time and bear, required seat angle of inclination.
In one embodiment, described control unit be according to the described schedule time after the track rate of curving and the current speed of a motor vehicle, calculate the centnifugal force that on described seat, passenger bears after the described schedule time, wherein after the described schedule time, the centnifugal force of described seat is directly proportional to the track rate of curving after the described schedule time and the described current speed of a motor vehicle.
For the impact of slowing down when considering to turn, in another embodiment, described control unit can according to the track rate of curving after the described schedule time, and the prediction speed of a motor vehicle after the described schedule time, calculates the centnifugal force that the passenger after the described schedule time on described seat bears.After the described schedule time, the centnifugal force that the passenger on described seat bears is directly proportional to this track rate of curving and the prediction speed of a motor vehicle after the described schedule time.
In another embodiment, it can further according to information of braking in real time, calculate the speed of a motor vehicle after the described schedule time, and and then calculate the centnifugal force that the passenger on described seat bears, therefore after the described schedule time, the centnifugal force that passenger on described seat bears, is and the described track rate of curving after the described schedule time and all relevant according to the current speed of a motor vehicle and this prediction speed of a motor vehicle of informix gained after the described schedule time of braking in real time.On state Brake car information and refer to the amplitude and speed of stepping on lower Brake car pedal, can be used to the change estimating the speed of a motor vehicle, and can in order to revise the described prediction speed of a motor vehicle.
After calculating the centnifugal force that on described seat, passenger bears, described control unit can according to the upper body height of passenger on centnifugal force and described seat, calculate described seat angle of inclination, wherein said seat angle of inclination is directly proportional to the upper body height of passenger on described centnifugal force and described seat.
In step S220, described seat adjustment unit is after the described schedule time, described seat adjustment is tilted to seat angle of inclination to reduce or to offset centnifugal force completely, and make the passenger on described seat reduce the sensation maybe can not experiencing the health whipping that centnifugal force causes when turning, thus can eliminate and cause carsick situation.
The full autonomous seat system of vehicle of the present invention and manner of execution thereof, it is the centnifugal force by the passenger predicted on seat after a predetermined time, and calculate described seat after the described schedule time, in order to reduce or overcome completely top passenger centnifugal force needed for seat angle of inclination, in other words, the present invention just goes to adjust seat after centnifugal force occurs, but centnifugal force by the moment of generation just by seat tilt adjustments to seat angle of inclination with reduce or offset centnifugal force completely, not free poor between the two, and eliminate the situation making passengers becoming sea sich by this.
In sum; although the present invention discloses as above with preferred embodiment; so itself and be not used to limit the present invention; persond having ordinary knowledge in the technical field of the present invention; without departing from the spirit and scope of the invention; when doing various changes and retouching, the protection domain of therefore the present invention when depending on after the attached claim person of defining be as the criterion.
Claims (10)
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| CN201110225615.0A CN102923024B (en) | 2011-08-08 | 2011-08-08 | Automobile fully autonomous seating system and method of implementation thereof |
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| CN201110225615.0A CN102923024B (en) | 2011-08-08 | 2011-08-08 | Automobile fully autonomous seating system and method of implementation thereof |
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| CN102923024A CN102923024A (en) | 2013-02-13 |
| CN102923024B true CN102923024B (en) | 2015-02-11 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US9517777B2 (en) * | 2014-11-06 | 2016-12-13 | Ford Global Technologies, Llc | Lane departure feedback system |
| WO2016147712A1 (en) * | 2015-03-18 | 2016-09-22 | テイ・エス テック株式会社 | Vehicular seat |
| CN107128264A (en) * | 2016-02-28 | 2017-09-05 | 司文奎 | The signal acquisition and transmission of carsickness-proof, reception and processing method and transmitting terminal |
| CN107274646A (en) * | 2016-04-07 | 2017-10-20 | 司文奎 | The signal acquisition and transmission of carsickness-proof, reception and processing method and transmitting terminal, terminal |
| CN106891783B (en) * | 2017-01-06 | 2023-07-25 | 北京现代汽车有限公司 | Vehicle seat, control system and control method thereof and vehicle |
| CN108828980B (en) * | 2018-05-15 | 2021-06-11 | 机科（山东）重工科技股份有限公司 | Method and system for predicting over-bending centrifugal force |
| CN111196186B (en) * | 2018-11-20 | 2021-07-20 | 宝沃汽车（中国）有限公司 | Vehicle, vehicle seat and control system and control method thereof |
| DE102019116445A1 (en) * | 2019-06-18 | 2020-12-24 | Bayerische Motoren Werke Aktiengesellschaft | Method, computer program product and system for alleviating kinetosis of a vehicle occupant and a motor vehicle equipped therewith |
| CN112046356B (en) * | 2020-08-07 | 2022-10-21 | 盐城工学院 | An active vibration system for a human chair system and its working method |
| CN111891003B (en) * | 2020-08-18 | 2022-06-21 | 湖南汽车工程职业学院 | Automobile shock absorption seat based on 5G intelligent monitoring and adjusting |
| CN114604148B (en) * | 2022-04-20 | 2023-01-10 | 中国第一汽车股份有限公司 | Seat adjusting method and device, vehicle-mounted terminal, vehicle and medium |
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| JP4442402B2 (en) * | 2004-11-26 | 2010-03-31 | 日産自動車株式会社 | VEHICLE DRIVE OPERATION ASSISTANCE DEVICE AND VEHICLE HAVING VEHICLE DRIVE OPERATION ASSISTANCE DEVICE |
| JP5055789B2 (en) * | 2006-02-24 | 2012-10-24 | アイシン精機株式会社 | Vehicle seat device |
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| EP0538656A2 (en) * | 1991-10-01 | 1993-04-28 | Toyota Jidosha Kabushiki Kaisha | System for accommodating sitting attitude of vehicle occupant |
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